1. Department of Cardiology; University Clinical Hospital Center “Dr. Dragisa Misovic-Dedinje”; Belgrade Serbia
2. Department of Endocrinology; University Clinical Hospital Center “Dr. Dragisa Misovic-Dedinje”; Belgrade Serbia
3. Clinical Research Unit; University of Milan-Bicocca and Istituto Auxologico Italiano; Meda Italy
4. Clinic of Cardiology; Clinical Center of Serbia; Belgrade Serbia
5. Faculty of Medicine; Belgrade Serbia
6. Department of Pharmacology; Faculty of Medicine; Belgrade Serbia